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50 results
  • Genetics of scapula and pelvis development: An evolutionary perspective. [Review]
    Curr Top Dev Biol. 2019; 132:311-349.Young M, Selleri L, Capellini TD
  • In tetrapods, the scapular and pelvic girdles perform the important function of anchoring the limbs to the trunk of the body and facilitating the movement of each appendage. This shared function, however, is one of relatively few similarities between the scapula and pelvis, which have significantly different morphologies, evolutionary histories, embryonic origins, and underlying genetic pathways.…
  • Body wall development in lamprey and a new perspective on the origin of vertebrate paired fins. [Journal Article]
    Proc Natl Acad Sci U S A. 2013 Jul 16; 110(29):11899-904.Tulenko FJ, McCauley DW, … Burke AC
  • Classical hypotheses regarding the evolutionary origin of paired appendages propose transformation of precursor structures (gill arches and lateral fin folds) into paired fins. During development, gnathostome paired appendages form as outgrowths of body wall somatopleure, a tissue composed of somatic lateral plate mesoderm (LPM) and overlying ectoderm. In amniotes, LPM contributes connective tiss…
  • Limb bud colonization by somite-derived angioblasts is a crucial step for myoblast emigration. [Journal Article]
    Development. 2012 Jan; 139(2):277-87.Yvernogeau L, Auda-Boucher G, Fontaine-Perus J
  • We have combined the use of mouse genetic strains and the mouse-into-chicken chimera system to determine precisely the sequence of forelimb colonization by presomitic mesoderm (PSM)-derived myoblasts and angioblasts, and the possible role of this latter cell type in myoblast guidance. By creating a new Flk1/Pax3 double reporter mouse line, we have established the precise timetable for angioblast …
  • Lumbar hernia: surgical anatomy, embryology, and technique of repair. [Review]
    Am Surg. 2009 Mar; 75(3):202-7.Stamatiou D, Skandalakis JE, … Mirilas P
  • Lumbar hernia is the protrusion of intraperitoneal or extraperitoneal contents through a defect of the posterolateral abdominal wall. Barbette was the first, in 1672, to suggest the existence of lumbar hernias. The first case was reported by Garangeot in 1731. Petit and Grynfeltt delineated the boundaries of the inferior and superior lumbar triangles in 1783 and 1866, respectively. These two anat…
  • Expression pattern of the homeodomain transcription factor Pitx2 during muscle development. [Journal Article]
    Gene Expr Patterns. 2007 Feb; 7(4):441-51.Shih HP, Gross MK, Kioussi C
  • Late-stage Pitx2(+/LacZ) mouse embryos stained with x-gal appeared to have blue muscles, suggesting that Pitx2 expression specifically marks some phase of the myogenic progression or muscle anlagen formation. Detailed temporal and spatial analyses were undertaken to determine the extent and onset of Pitx2 expression in muscle. Pitx2 was specifically expressed in the vast majority of muscles of th…
  • Regulation of scapula development. [Review]
    Anat Embryol (Berl). 2006 Dec; 211 Suppl 1:65-71.Huang R, Christ B, Patel K
  • The scapula is a component of the shoulder girdle. Its structure has changed greatly during evolution. For example, in humans it is a large quite flat triangular bone whereas in chicks it is a long blade like structure. In this review we describe the mechanisms that control the formation of the scapula. To assimilate our understanding regarding the development of the scapula blade we start by add…
  • Ventral vs. dorsal chick dermal progenitor specification. [Review]
    Int J Dev Biol. 2004; 48(2-3):103-6.Fliniaux I, Viallet JP, Dhouailly D
  • The dorsal and the ventral trunk integuments of the chick differ in their dermal cell lineage (originating from the somatic and somatopleural mesoderm respectively) and in the distribution of their feather fields. The dorsal macropattern has a large spinal pteryla surrounded by semi-apteria, whereas the ventral skin has a true medial apterium surrounded by the ventral pterylae. Comparison of the …
  • Signaling dynamics of feather tract formation from the chick somatopleure. [Journal Article]
    Development. 2004 Aug; 131(16):3955-66.Fliniaux I, Viallet JP, Dhouailly D
  • In the chick, most feathers are restricted to specific areas of the skin, the feather tracts or pterylae, while other areas, such as the apteria, remain bare. In the embryo, the expansion and closure of the somatopleure leads to the juxtaposition of the ventral pteryla, midventral apterium and amnion. The embryonic proximal somatopleural mesoderm is determined to form a feather-forming dermis at …
  • Development of the avian lymphatic system. [Journal Article]
    Microsc Res Tech. 2001 Oct 15; 55(2):81-91.Wilting J, Papoutsi M, … Eichmann A
  • Recently, highly specific markers of the lymphatic endothelium have been found enabling us to reinvestigate the embryonic origin of the lymphatics. Here we present a review of our studies on the development of the lymphatic system in chick and quail embryos. We show that the lymphatic endothelium is derived from two sources: the embryonic lymph sacs and mesenchymal lymphangioblasts. Proliferation…
  • Coelom formation: binary decision of the lateral plate mesoderm is controlled by the ectoderm. [Journal Article]
    Development. 1999 Sep; 126(18):4129-38.Funayama N, Sato Y, … Takahashi Y
  • Most triploblastic animals including vertebrates have a coelomic cavity that separates the outer and inner components of the body. The coelom is lined by two different tissue components, somatopleure and splanchnopleure, which are derived from the lateral plate region. Thus, the coelom is constructed as a result of a binary decision during early specification of the lateral plate. In this report …
  • Induction of additional limb at the dorsal-ventral boundary of a chick embryo. [Journal Article]
    Dev Biol. 1997 Feb 01; 182(1):191-203.Tanaka M, Tamura K, … Ide H
  • In the early chick embryo, an apical ectodermal ridge (AER) is formed from the overlying ectoderm of the presumptive limb bud region at the dorsal-ventral (DV) boundary. We report here that the ectopic DV boundary formed in the presumptive wing, flank, and leg fields induces an ectopic AER structure. Dorsal tissue (ectoderm and mesoderm) from the presumptive wing field of stage 10 to 17 embryos w…
  • Two distinct endothelial lineages in ontogeny, one of them related to hemopoiesis. [Journal Article]
    Development. 1996 May; 122(5):1363-71.Pardanaud L, Luton D, … Dieterlen-Lievre F
  • We have shown previously by means of quail/chick transplantations that external and visceral organs, i.e., somatopleural and splanchnopleural derivatives, acquire their endothelial network through different mechanisms, namely immigration (termed angiogenesis) versus in situ emergence of precursors (or vasculogenesis). We have traced the distribution of QH1-positive cells in chick hosts after repl…
  • Migration of myogenic cells from the somites to the fore-limb buds of developing mouse embryos. [Journal Article]
    Dev Dyn. 1995 Jul; 203(3):324-36.Sze LY, Lee KK, … Paulin D
  • In this study, we have isolated newly formed somites from the caudal regions of 8.5 day mouse embryos and transplanted them orthotopically into correspondingly staged hosts at the level of the prospective limb-forming region. The experimental embryos were then cultured intact for 32-36 hr. The donor somites used were pre-labelled with DiI, a fluorescent lipophilic dye, or were obtained from trans…
  • The establishment of murine Hox-1 expression domains during patterning of the limb. [Journal Article]
    Dev Biol. 1993 Jun; 157(2):410-22.Haack H, Gruss P
  • Region-specific expression patterns have been described recently for several candidate, developmental regulatory genes in the vertebrate limb. We have identified and mapped homeobox containing genes of the 5' part of the murine Hox-1 cluster by chromosomal walking. The expression of Hox-1.8, Hox-1.9, Hox-1.10, and a paralog of the Hox-4 cluster (Hox-4.5) were analyzed during stages when the devel…
  • Cellular contribution of the different regions of the somatopleure to the developing limb. [Journal Article]
    Dev Dyn. 1992 Nov; 195(3):177-87.Geduspan JS, Solursh M
  • Regionalization of the presumptive limb region was examined before and at the onset of limb development by means of a variety of transplantation experiments between quail and chick embryos in ovo. The results demonstrate a two-step process, the first of which is the designation of the region of the somatopleure that would become part of the limb, followed by specification of dorsal and ventral re…
  • Chicken homeobox gene Msx-1: structure, expression in limb buds and effect of retinoic acid. [Journal Article]
    Development. 1991 Oct; 113(2):431-44.Yokouchi Y, Ohsugi K, … Kuroiwa A
  • A chicken gene carrying a homeobox highly homologous to the Drosophila muscle segment homeobox (msh) gene was isolated and designated as Msx-1. Conceptual translation from the longest ORF gave a protein of 259 amino acids lacking the conserved hexapeptide. Northern analysis detected a single 2.6 kb transcript. As early as day 2 of incubation, the transcript was detected but was not found in adult…
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